W shapes (wide flange)

W12X35 W310X52

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xybf = 6.56d = 12.5tf = 0.52tf = 0.52tw = 0.3tw = 0.3
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.5in
Flange widthbf
6.56in
Web thicknesstw
0.3in
Flange thicknesstf
0.52in
Distance k (design)kdes
0.82in
Distance k (detailing)kdet
1.188in
Distance k1k1
0.75in
Web clear depthT
10.13in
Distance between flange centroidsho
12in

Mass and area

Mass per lengthm
35lb/ft
Cross-sectional areaA
10.3in²

Strong axis x–x

Moment of inertiaIx
285in⁴
Elastic section modulusSx
45.6in³
Plastic section modulusZx
51.2in³
Radius of gyrationrx
5.25in

Weak axis y–y

Moment of inertiaIy
24.5in⁴
Elastic section modulusSy
7.47in³
Plastic section modulusZy
11.5in³
Radius of gyrationry
1.54in

Torsion and stability

Torsional constantJ
0.741in⁴
Warping constantCw
879in⁶
Effective radius of gyrationrts
1.79in

Slenderness ratios

Flange slendernessbf/2tf
6.31
Web slendernessh/tw
36.2

Equivalents in other standards